/*
 * Copyright (C) 2005-2011 MaNGOS <http://www.getmangos.com/>
 *
 * Copyright (C) 2008-2011 Trinity <http://www.trinitycore.org/>
 *
 * Copyright (C) 2010-2011 ProjectSkyfire <http://www.projectskyfire.org/>
 * 
 * Copyright (C) 2011 ArkCORE <http://www.arkania.net/>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#ifndef _MODELINSTANCE_H_
#define _MODELINSTANCE_H_

#include <G3D/Matrix3.h>
#include <G3D/Vector3.h>
#include <G3D/AABox.h>
#include <G3D/Ray.h>

#include "Define.h"

namespace VMAP {
class WorldModel;
struct AreaInfo;
struct LocationInfo;

enum ModelFlags {
	MOD_M2 = 1, MOD_WORLDSPAWN = 1 << 1, MOD_HAS_BOUND = 1 << 2
};

class ModelSpawn {
public:
	//mapID, tileX, tileY, Flags, ID, Pos, Rot, Scale, Bound_lo, Bound_hi, name
	uint32 flags;
	uint16 adtId;
	uint32 ID;
	G3D::Vector3 iPos;
	G3D::Vector3 iRot;
	float iScale;
	G3D::AABox iBound;
	std::string name;
	bool operator==(const ModelSpawn &other) const {
		return ID == other.ID;
	}
	//uint32 hashCode() const { return ID; }
	// temp?
	const G3D::AABox& getBounds() const {
		return iBound;
	}

	static bool readFromFile(FILE *rf, ModelSpawn &spawn);
	static bool writeToFile(FILE *rw, const ModelSpawn &spawn);
};

class ModelInstance: public ModelSpawn {
public:
	ModelInstance() :
			iModel(0) {
	}
	ModelInstance(const ModelSpawn &spawn, WorldModel *model);
	void setUnloaded() {
		iModel = 0;
	}
	bool intersectRay(const G3D::Ray& pRay, float& pMaxDist,
			bool pStopAtFirstHit) const;
	void intersectPoint(const G3D::Vector3& p, AreaInfo &info) const;
	bool GetLocationInfo(const G3D::Vector3& p, LocationInfo &info) const;
	bool GetLiquidLevel(const G3D::Vector3& p, LocationInfo &info,
			float &liqHeight) const;
protected:
	G3D::Matrix3 iInvRot;
	float iInvScale;
	WorldModel *iModel;
};
} // namespace VMAP

#endif // _MODELINSTANCE
